let's talk about this controversial law in florida. we talked about it before in the trayvon martin case. it's the stand your ground gun law. might be put to the test again this time. this time a murder suspect claims that he was threatened but there are lots of questions. michael dunn's attorney says he asked four african-american teenagers in an suv to turn their loud music at a jacksonville gas station, says they hurled insults at him, then flashed a shotgun, and then dunn decided to defend himself, he shot into the suv eight or nine times. 17-year-old jordan davis was hit twice and killed. martin savidge is following those developments from our headquarters in atlanta this morning. good morning, martin. >> good morning, soledad. the latest, by the way, is the fact that there's going to be a memorial service for that 17-year-old youth that's going to take place in florida tonight. meanwhile, the shooter in that case, that's 45-year-old michael dunn, he was arrested on saturday, had his first court appearance on monday. he entered a